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Raffael Rostagnonashif
Raffael Rostagno
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nashif
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tests: ethernet: esp32: Functional test for CI
Functional test for Ethernet for CI device testing Signed-off-by: Raffael Rostagno <[email protected]>
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‎tests/boards/espressif/ethernet/CMakeLists.txt

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# SPDX-License-Identifier: Apache-2.0
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cmake_minimum_required(VERSION 3.20.0)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(ethernet_test)
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target_include_directories(app PRIVATE ${ZEPHYR_BASE}/subsys/net/ip)
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FILE(GLOB app_sources src/*.c)
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target_sources(app PRIVATE ${app_sources})

‎tests/boards/espressif/ethernet/Kconfig

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# Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
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# SPDX-License-Identifier: Apache-2.0
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mainmenu "Ethernet Test"
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source "Kconfig.zephyr"
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config DHCP_ASSIGN_TIMEOUT
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int "DHCP Assign Timeout (in seconds)"
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default 30
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help
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Timeout duration for receiving IPv4 address from DHCP.
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If no address is assigned within this time, test will fail.
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config GATEWAY_PING_TIMEOUT
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int "Gateway Ping Timeout (in seconds)"
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default 10
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help
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Timeout duration for pinging the network gateway.
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If no reply is received within this time, test will fail.

‎tests/boards/espressif/ethernet/boards/esp32_ethernet_kit_procpu.overlay

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/*
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* Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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&eth {
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status = "okay";
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};
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&phy {
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status = "okay";
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};
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&mdio {
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status = "okay";
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};

‎tests/boards/espressif/ethernet/prj.conf

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CONFIG_ZTEST=y
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CONFIG_NETWORKING=y
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CONFIG_NET_L2_ETHERNET=y
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CONFIG_NET_IPV6=n
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CONFIG_NET_IPV4=y
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CONFIG_NET_ARP=y
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CONFIG_NET_UDP=y
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CONFIG_NET_DHCPV4=y
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CONFIG_NET_DHCPV4_OPTION_CALLBACKS=y
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CONFIG_DNS_RESOLVER=y
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CONFIG_SYS_HEAP_AUTO=y
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CONFIG_INIT_STACKS=y
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CONFIG_NET_MGMT=y
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CONFIG_NET_MGMT_EVENT=y
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CONFIG_NET_LOG=y
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CONFIG_LOG=y

‎tests/boards/espressif/ethernet/src/main.c

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/*
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* Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/ztest.h>
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#include <zephyr/logging/log.h>
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#include <zephyr/net/net_if.h>
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#include <zephyr/net/net_core.h>
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#include <zephyr/net/net_context.h>
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#include <zephyr/net/net_mgmt.h>
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#include <zephyr/net/ethernet.h>
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#include <zephyr/net/icmp.h>
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LOG_MODULE_REGISTER(ethernet_test, LOG_LEVEL_INF);
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#include "net_private.h"
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#define DHCP_OPTION_NTP (42)
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#define TEST_DATA "ICMP dummy data"
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K_SEM_DEFINE(net_event, 0, 1);
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static struct net_if *iface;
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static uint8_t ntp_server[4];
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static struct net_mgmt_event_callback mgmt_cb;
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static struct net_dhcpv4_option_callback dhcp_cb;
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static void ipv4_event(struct net_mgmt_event_callback *cb, uint32_t mgmt_event,
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struct net_if *iface)
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{
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if ((mgmt_event != NET_EVENT_IPV4_ADDR_ADD) ||
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(iface->config.ip.ipv4->unicast[0].ipv4.addr_type != NET_ADDR_DHCP)) {
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return;
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}
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char buf[NET_IPV4_ADDR_LEN];
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LOG_INF("Address[%d]: %s", net_if_get_by_iface(iface),
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net_addr_ntop(AF_INET, &iface->config.ip.ipv4->unicast[0].ipv4.address.in_addr, buf,
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sizeof(buf)));
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LOG_INF("Subnet[%d]: %s", net_if_get_by_iface(iface),
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net_addr_ntop(AF_INET, &iface->config.ip.ipv4->unicast[0].netmask, buf,
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sizeof(buf)));
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LOG_INF("Router[%d]: %s", net_if_get_by_iface(iface),
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net_addr_ntop(AF_INET, &iface->config.ip.ipv4->gw, buf, sizeof(buf)));
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LOG_INF("Lease time[%d]: %u seconds", net_if_get_by_iface(iface),
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iface->config.dhcpv4.lease_time);
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/* release processing of IPV4 event by test case */
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k_sem_give(&net_event);
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}
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static int icmp_event(struct net_icmp_ctx *ctx, struct net_pkt *pkt, struct net_icmp_ip_hdr *hdr,
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struct net_icmp_hdr *icmp_hdr, void *user_data)
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{
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struct net_ipv4_hdr *ip_hdr = hdr->ipv4;
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LOG_INF("Received echo reply from %s", net_sprint_ipv4_addr(&ip_hdr->src));
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k_sem_give(&net_event);
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return 0;
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}
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static void option_handler(struct net_dhcpv4_option_callback *cb, size_t length,
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enum net_dhcpv4_msg_type msg_type, struct net_if *iface)
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{
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char buf[NET_IPV4_ADDR_LEN];
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LOG_INF("DHCP Option %d: %s", cb->option,
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net_addr_ntop(AF_INET, cb->data, buf, sizeof(buf)));
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}
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ZTEST(ethernet, test_dhcp_check)
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{
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LOG_INF("Waiting for IPV4 assign event...");
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zassert_equal(k_sem_take(&net_event, K_SECONDS(CONFIG_DHCP_ASSIGN_TIMEOUT)), 0,
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"IPV4 address assign event timeout");
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LOG_INF("DHCP check successful");
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}
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ZTEST(ethernet, test_icmp_check)
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{
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struct net_icmp_ping_params params;
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struct net_icmp_ctx ctx;
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struct in_addr gw_addr_4;
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struct sockaddr_in dst4 = {0};
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int ret;
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gw_addr_4 = net_if_ipv4_get_gw(iface);
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zassert_not_equal(gw_addr_4.s_addr, 0, "Gateway address is not set");
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ret = net_icmp_init_ctx(&ctx, NET_ICMPV4_ECHO_REPLY, 0, icmp_event);
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zassert_equal(ret, 0, "Cannot init ICMP (%d)", ret);
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dst4.sin_family = AF_INET;
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memcpy(&dst4.sin_addr, &gw_addr_4, sizeof(gw_addr_4));
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params.identifier = 1234;
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params.sequence = 5678;
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params.tc_tos = 1;
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params.priority = 2;
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params.data = TEST_DATA;
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params.data_size = sizeof(TEST_DATA);
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LOG_INF("Pinging the gateway...");
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ret = net_icmp_send_echo_request(&ctx, iface, (struct sockaddr *)&dst4, &params, NULL);
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zassert_equal(ret, 0, "Cannot send ICMP echo request (%d)", ret);
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zassert_equal(k_sem_take(&net_event, K_SECONDS(CONFIG_GATEWAY_PING_TIMEOUT)), 0,
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"Gateway ping (ICMP) timed out");
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net_icmp_cleanup_ctx(&ctx);
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}
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static void *ethernet_setup(void)
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{
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iface = net_if_get_first_by_type(&NET_L2_GET_NAME(ETHERNET));
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net_mgmt_init_event_callback(&mgmt_cb, ipv4_event, NET_EVENT_IPV4_ADDR_ADD);
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net_mgmt_add_event_callback(&mgmt_cb);
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net_dhcpv4_init_option_callback(&dhcp_cb, option_handler, DHCP_OPTION_NTP, ntp_server,
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sizeof(ntp_server));
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net_dhcpv4_add_option_callback(&dhcp_cb);
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/* reset semaphore that tracks IPV4 assign event */
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k_sem_reset(&net_event);
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LOG_INF("Starting DHCPv4 client on %s: index=%d", net_if_get_device(iface)->name,
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net_if_get_by_iface(iface));
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net_dhcpv4_start(iface);
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return NULL;
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}
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ZTEST_SUITE(ethernet, NULL, ethernet_setup, NULL, NULL, NULL);

‎tests/boards/espressif/ethernet/testcase.yaml

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tests:
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boards.esp32.ethernet:
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platform_allow:
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- esp32_ethernet_kit/esp32/procpu
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tags:
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- ethernet

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